HDMI Audio not working Intel HD4400

Hi, I can't get audio working through HDMI in my laptop, video works perfectly.

Mi Specs:

Laptop: Asus X550LAV
CPU: i5-4210u
Ram: 12Gb
OS: Sierra 10.12.6
Graphics: Intel HD 4400

Audio only works from internal speakers and jack 3.5 (codec is ALC3236/233).